package cn.java76;

import java.util.Date;

/**
 * @author oldliu
 * @since 1.0
 */
public class Msg {
    public static void main(String[] args) {
        int a=11;
        int b=a++*a;
        System.out.println(b);
    }
    public String toStr(){
        return "你好，"+new Date();
    }
}
